And with that tick list completed, it's not hard to see why Gwyneth Paltrow and Rihanna made our fashion twin radar start beeping like crazy at the 2012 Grammys:
Gwyneth shared the picture with her followers on Twitter with the caption "@rihanna say whaaat?"
But are the ladies equally stylish or is one working her look that little bit harder? Let us know - Rihanna or Gwynnie - in the comments below...
(We suspect this is basically going to come down to whether you prefer straight hair or curls.)
For more Gwyneth tweets of note, check out the gallery below: